TERMIUM Plus®

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DEEP INSTABILITY [1 record]

Record 1 2011-12-22

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
DEF

Weaknesses in old snow layers.

CONT

It is common to distinguish between stabilities of new snow or old snow. New snow contains all the snow that was deposited during the most recent storm. Old snow is that below the most recent storm; weaknesses in old snow are referred to as deep instabilities.

CONT

Depth hoar often presents a significant deep instability in the snowpack. [Example approved by the Avalanche Bulletin Terminology Standardization Committee.]

OBS

The term "instability" usually refers to unstable conditions within the snowpack structure. Instability may lead to avalanching.

OBS

deep instability: term officially approved by the Avalanche Bulletin Terminology Standardization Committee.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
CONT

Le givre de profondeur est souvent à la source d'une instabilité profonde dans le manteau neigeux. [Exemple entériné par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.]

OBS

instabilité profonde : terme uniformisé par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.

Spanish

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